Mason & Mckee #200 - 0.58 Caliber Carcano BulletFor your consideration one Mason & McKee #200 0. 58 caliber Carcano bullet. You will find this bullet to be in very good dropped condition. The patina is a real nice lite whiteabout 30% of this bullet is still covered with a deep woods type dirt. The patina has that slick waxy feelin to it. Mold seams can be seen on both sides & the cavity is ogival. Measures about 0. 56 x 1. 04 inches. Thomas lists this as a Raleigh pattern.